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Mountain Grove R-III District MO Calendar 26-27

  • 2026/27
  • Missouri
  • 7 teacher days

The Mountain Grove R-III District 2026–27 school year runs from Aug 10, 2026 to May 20, 2027. Breaks include Thanksgiving break Nov 23-27 and winter break Dec 21-Jan 4. The table below lists all teacher workdays and holidays. Download the PDF calendar, or read the FAQs.

School year starts Mon, Aug 10, 2026 First Day of Fall Practice
School year ends Thu, May 20, 2027 1/2 Day - Last Day of School
Next key date Mon, Aug 10, 2026 Counts down once the school year is under way

Mountain Grove R-III District 2026-27 calendar

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Mountain Grove R-III District school year calendar

Every published date for 2026–27, colour-coded by what happens that day.

  • First day of school
  • Last day of school
  • Holiday - school closed
  • Break / vacation
  • Teacher / professional day
  • Parent-teacher conference
  • Grading period / report cards
  • Graduation
  • Other scheduled date

August 2026

  • Aug 10, 2026 — First Day of Fall Practice
  • Aug 13-14, 2026 — New Teacher Orientation
  • Aug 17-24, 2026 — Teacher In-Service
  • Aug 25, 2026 — First Day of School

September 2026

  • Sep 7, 2026 — Labor Day - No School
  • Sep 14, 2026 — No School

October 2026

  • Oct 5, 2026 — No School
  • Oct 12, 2026 — PD Day - No School
  • Oct 16, 2026 — End of 1st Quarter
  • Oct 21, 2026 — Parent/Teacher Conference (4:00-6:00 PM)
  • Oct 22, 2026 — 1/2 Day / Parent/Teacher Conference (1:30-6:30 PM)

November 2026

  • Nov 2, 2026 — No School
  • Nov 16, 2026 — PD Day - No School
  • Nov 23-27, 2026 — Thanksgiving Break
  • Nov 26, 2026 — Thanksgiving

December 2026

  • Dec 7, 2026 — No School
  • Dec 18, 2026 — 1/2 Day - End of 1st Semester
  • Dec 21, 2026-Jan 4, 2027 — No School / Winter Break
  • Dec 25, 2026 — Christmas Day

January 2027

  • Dec 21, 2026-Jan 4, 2027 — No School / Winter Break
  • Jan 1, 2027 — New Year's Day
  • Jan 4, 2027 — PD Day - No School
  • Jan 5, 2027 — Second Semester Begins
  • Jan 11, 2027 — No School

February 2027

  • Feb 1, 2027 — PD Day - No School
  • Feb 8, 2027 — No School
  • Feb 15, 2027 — Presidents' Day - No School

March 2027

  • Mar 1, 2027 — No School
  • Mar 8, 2027 — No School
  • Mar 12, 2027 — End of 3rd Quarter
  • Mar 15, 2027 — PD Day - No School
  • Mar 26, 2027 — No School

April 2027

  • Apr 5, 2027 — No School
  • Apr 19, 2027 — No School

May 2027

  • May 10, 2027 — No School
  • May 14, 2027 — High School Graduation
  • May 20, 2027 — 1/2 Day - Last Day of School
  • May 31, 2027 — Memorial Day

June 2027

  • Jun 1-25, 2027 — Summer School

July 2027

Mountain Grove R-III District teacher and staff days 2026/27

Students normally stay home on these days. Confirm with the district before making plans.

  • Aug 13-14, 2026 New Teacher Orientation District source
  • Aug 17-24, 2026 Teacher In-Service District source
  • Oct 12, 2026 PD Day - No School District source
  • Nov 16, 2026 PD Day - No School District source
  • Jan 4, 2027 PD Day - No School District source
  • Feb 1, 2027 PD Day - No School District source
  • Mar 15, 2027 PD Day - No School District source

Mountain Grove R-III District breaks and holidays

School is closed to students on these dates.

  • Jul 4, 2026 Independence Day Holiday
  • Sep 7, 2026 Labor Day - No School Holiday
  • Sep 14, 2026 No School Holiday
  • Oct 5, 2026 No School Holiday
  • Oct 23, 2026 No School Holiday
  • Nov 2, 2026 No School Holiday
  • Nov 23-27, 2026 Thanksgiving Break Break
  • Nov 26, 2026 Thanksgiving Holiday
  • Dec 7, 2026 No School Holiday
  • Dec 21, 2026-Jan 4, 2027 No School / Winter Break Break
  • Dec 25, 2026 Christmas Day Holiday
  • Jan 1, 2027 New Year's Day Holiday
  • Jan 11, 2027 No School Holiday
  • Jan 18, 2027 Martin Luther King Jr. Day - No School Holiday
  • Feb 8, 2027 No School Holiday
  • Feb 15, 2027 Presidents' Day - No School Holiday
  • Mar 1, 2027 No School Holiday
  • Mar 8, 2027 No School Holiday

Your checked 2026/27 Mountain Grove R-III District planning calendar

How these dates are put together, and what to double-check before you book anything.

Useful now44 published dates for the 2026–27 school year, laid out month by month.
CheckedTaken from the district’s own published calendar, not retyped from memory.
Kept currentLast updated June 13, 2026.
Full term dates table

Mountain Grove R-III District 2026–27 calendar dates

DateEvent
Jul 4, 2026Independence Day
Aug 10, 2026First Day of Fall Practice
Aug 13-14, 2026New Teacher Orientation
Aug 17-24, 2026Teacher In-Service
Aug 25, 2026First Day of School
Sep 7, 2026Labor Day - No School
Sep 14, 2026No School
Oct 5, 2026No School
Oct 12, 2026PD Day - No School
Oct 16, 2026End of 1st Quarter
Oct 21, 2026Parent/Teacher Conference (4:00-6:00 PM)
Oct 22, 20261/2 Day / Parent/Teacher Conference (1:30-6:30 PM)
Oct 23, 2026No School
Oct 31, 2026Halloween
Nov 2, 2026No School
Nov 16, 2026PD Day - No School
Nov 23-27, 2026Thanksgiving Break
Nov 26, 2026Thanksgiving
Dec 7, 2026No School
Dec 18, 20261/2 Day - End of 1st Semester
Dec 21, 2026-Jan 4, 2027No School / Winter Break
Dec 25, 2026Christmas Day
Jan 1, 2027New Year's Day
Jan 4, 2027PD Day - No School
Jan 5, 2027Second Semester Begins
Jan 11, 2027No School
Jan 18, 2027Martin Luther King Jr. Day - No School
Feb 1, 2027PD Day - No School
Feb 8, 2027No School
Feb 15, 2027Presidents' Day - No School
Mar 1, 2027No School
Mar 8, 2027No School
Mar 12, 2027End of 3rd Quarter
Mar 15, 2027PD Day - No School
Mar 26, 2027No School
Mar 28, 2027Easter
Mar 29, 2027No School
Apr 5, 2027No School
Apr 19, 2027No School
May 10, 2027No School
May 14, 2027High School Graduation
May 20, 20271/2 Day - Last Day of School
May 31, 2027Memorial Day
Jun 1-25, 2027Summer School

Mountain Grove R-III District Calendar 26-27 Revised FAQs

When is the first day of school in Mountain Grove R-III District for 2026-2027?
The first day of school for students in Mountain Grove R-III District for the 2026-2027 school year is August 25, 2026.
When is Spring Break in Mountain Grove R-III District for 2026-2027?
Mountain Grove R-III District does not specifically label a Spring Break on the calendar. Students are out of school on March 26 and March 29, 2027, surrounding the Easter holiday.
When is Christmas Break in Mountain Grove R-III District for 2026-2027?
Christmas Break begins on December 21, 2026, and continues through January 4, 2027. Students return after the break when the second semester begins on January 5, 2027.
When is Winter Break in Mountain Grove R-III District for 2026-2027?
Winter Break is scheduled from December 21, 2026, through January 4, 2027.
When is Thanksgiving Break in Mountain Grove R-III District for 2026-2027?
Thanksgiving Break is scheduled from November 23 through November 27, 2026. Thanksgiving Day falls on November 26, 2026.
When is the last day of school in Mountain Grove R-III District for 2026-2027?
The last day of school is May 20, 2027, and it is a half-day for students.
When does the second semester begin in Mountain Grove R-III District for 2026-2027?
The second semester begins on January 5, 2027.
When is Labor Day holiday in Mountain Grove R-III District for 2026-2027?
Labor Day is observed on September 7, 2026, and there is no school on that day.
When is Martin Luther King Jr. Day in Mountain Grove R-III District for 2026-2027?
Martin Luther King Jr. Day is observed on January 18, 2027, and there is no school.
When is Presidents' Day in Mountain Grove R-III District for 2026-2027?
Presidents' Day is observed on February 15, 2027, and there is no school.
When is High School Graduation in Mountain Grove R-III District for 2026-2027?
High School Graduation is scheduled for May 14, 2027.
When is Summer School in Mountain Grove R-III District for 2026-2027?
Summer School is scheduled from June 1 through June 25, 2027.
When is the end of the first semester in Mountain Grove R-III District for 2026-2027?
The first semester ends on December 18, 2026, which is a half-day for students.
When is the end of the third quarter in Mountain Grove R-III District for 2026-2027?
The third quarter ends on March 12, 2027.
When are Parent-Teacher Conferences in Mountain Grove R-III District for 2026-2027?
Parent-Teacher Conferences are scheduled on October 21, 2026, and October 22, 2026.

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Mountain Grove R-III District calendar FAQs

When is the first day of school in Mountain Grove R-III District for 2026-2027?
The first day of school for students in Mountain Grove R-III District for the 2026-2027 school year is August 25, 2026.
When is Spring Break in Mountain Grove R-III District for 2026-2027?
Mountain Grove R-III District does not specifically label a Spring Break on the calendar. Students are out of school on March 26 and March 29, 2027, surrounding the Easter holiday.
When is Christmas Break in Mountain Grove R-III District for 2026-2027?
Christmas Break begins on December 21, 2026, and continues through January 4, 2027. Students return after the break when the second semester begins on January 5, 2027.
When is Winter Break in Mountain Grove R-III District for 2026-2027?
Winter Break is scheduled from December 21, 2026, through January 4, 2027.
When is Thanksgiving Break in Mountain Grove R-III District for 2026-2027?
Thanksgiving Break is scheduled from November 23 through November 27, 2026. Thanksgiving Day falls on November 26, 2026.
When is the last day of school in Mountain Grove R-III District for 2026-2027?
The last day of school is May 20, 2027, and it is a half-day for students.
When does the second semester begin in Mountain Grove R-III District for 2026-2027?
The second semester begins on January 5, 2027.
When is Labor Day holiday in Mountain Grove R-III District for 2026-2027?
Labor Day is observed on September 7, 2026, and there is no school on that day.
When is Martin Luther King Jr. Day in Mountain Grove R-III District for 2026-2027?
Martin Luther King Jr. Day is observed on January 18, 2027, and there is no school.
When is Presidents' Day in Mountain Grove R-III District for 2026-2027?
Presidents' Day is observed on February 15, 2027, and there is no school.
When is High School Graduation in Mountain Grove R-III District for 2026-2027?
High School Graduation is scheduled for May 14, 2027.
When is Summer School in Mountain Grove R-III District for 2026-2027?
Summer School is scheduled from June 1 through June 25, 2027.
When is the end of the first semester in Mountain Grove R-III District for 2026-2027?
The first semester ends on December 18, 2026, which is a half-day for students.
When is the end of the third quarter in Mountain Grove R-III District for 2026-2027?
The third quarter ends on March 12, 2027.
When are Parent-Teacher Conferences in Mountain Grove R-III District for 2026-2027?
Parent-Teacher Conferences are scheduled on October 21, 2026, and October 22, 2026.

Dates can change after publication. Read our calendar disclaimer.